/*
- * Disk Array driver for Compaq SA53xx Controllers, SCSI Tape module
- * Copyright 2001 Compaq Computer Corporation
+ * Disk Array driver for HP Smart Array controllers, SCSI Tape module.
+ * (C) Copyright 2001, 2007 Hewlett-Packard Development Company, L.P.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
+ * the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
- * NON INFRINGEMENT. See the GNU General Public License for more details.
+ * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Foundation, Inc., 59 Temple Place, Suite 300, Boston, MA
+ * 02111-1307, USA.
*
* Questions/Comments/Bugfixes to iss_storagedev@hp.com
*
{
struct scsi_cmnd *cmd;
ctlr_info_t *ctlr;
- u64bit addr64;
ErrorInfo_struct *ei;
ei = cp->err_info;
cmd = (struct scsi_cmnd *) cp->scsi_cmd;
ctlr = hba[cp->ctlr];
- /* undo the DMA mappings */
-
- if (cmd->use_sg) {
- pci_unmap_sg(ctlr->pdev,
- cmd->request_buffer, cmd->use_sg,
- cmd->sc_data_direction);
- }
- else if (cmd->request_bufflen) {
- addr64.val32.lower = cp->SG[0].Addr.lower;
- addr64.val32.upper = cp->SG[0].Addr.upper;
- pci_unmap_single(ctlr->pdev, (dma_addr_t) addr64.val,
- cmd->request_bufflen,
- cmd->sc_data_direction);
- }
+ scsi_dma_unmap(cmd);
cmd->result = (DID_OK << 16); /* host byte */
cmd->result |= (COMMAND_COMPLETE << 8); /* msg byte */
ei->SenseLen > SCSI_SENSE_BUFFERSIZE ?
SCSI_SENSE_BUFFERSIZE :
ei->SenseLen);
- cmd->resid = ei->ResidualCnt;
+ scsi_set_resid(cmd, ei->ResidualCnt);
if(ei->CommandStatus != 0)
{ /* an error has occurred */
CommandList_struct *cp,
struct scsi_cmnd *cmd)
{
- unsigned int use_sg, nsegs=0, len;
- struct scatterlist *scatter = (struct scatterlist *) cmd->request_buffer;
+ unsigned int len;
+ struct scatterlist *sg;
__u64 addr64;
-
- /* is it just one virtual address? */
- if (!cmd->use_sg) {
- if (cmd->request_bufflen) { /* anything to xfer? */
-
- addr64 = (__u64) pci_map_single(pdev,
- cmd->request_buffer,
- cmd->request_bufflen,
- cmd->sc_data_direction);
-
- cp->SG[0].Addr.lower =
- (__u32) (addr64 & (__u64) 0x00000000FFFFFFFF);
- cp->SG[0].Addr.upper =
- (__u32) ((addr64 >> 32) & (__u64) 0x00000000FFFFFFFF);
- cp->SG[0].Len = cmd->request_bufflen;
- nsegs=1;
+ int use_sg, i;
+
+ BUG_ON(scsi_sg_count(cmd) > MAXSGENTRIES);
+
+ use_sg = scsi_dma_map(cmd);
+ if (use_sg) { /* not too many addrs? */
+ scsi_for_each_sg(cmd, sg, use_sg, i) {
+ addr64 = (__u64) sg_dma_address(sg);
+ len = sg_dma_len(sg);
+ cp->SG[i].Addr.lower =
+ (__u32) (addr64 & (__u64) 0x00000000FFFFFFFF);
+ cp->SG[i].Addr.upper =
+ (__u32) ((addr64 >> 32) & (__u64) 0x00000000FFFFFFFF);
+ cp->SG[i].Len = len;
+ cp->SG[i].Ext = 0; // we are not chaining
}
- } /* else, must be a list of virtual addresses.... */
- else if (cmd->use_sg <= MAXSGENTRIES) { /* not too many addrs? */
-
- use_sg = pci_map_sg(pdev, cmd->request_buffer, cmd->use_sg,
- cmd->sc_data_direction);
-
- for (nsegs=0; nsegs < use_sg; nsegs++) {
- addr64 = (__u64) sg_dma_address(&scatter[nsegs]);
- len = sg_dma_len(&scatter[nsegs]);
- cp->SG[nsegs].Addr.lower =
- (__u32) (addr64 & (__u64) 0x00000000FFFFFFFF);
- cp->SG[nsegs].Addr.upper =
- (__u32) ((addr64 >> 32) & (__u64) 0x00000000FFFFFFFF);
- cp->SG[nsegs].Len = len;
- cp->SG[nsegs].Ext = 0; // we are not chaining
- }
- } else BUG();
+ }
- cp->Header.SGList = (__u8) nsegs; /* no. SGs contig in this cmd */
- cp->Header.SGTotal = (__u16) nsegs; /* total sgs in this cmd list */
+ cp->Header.SGList = (__u8) use_sg; /* no. SGs contig in this cmd */
+ cp->Header.SGTotal = (__u16) use_sg; /* total sgs in this cmd list */
return;
}
}
static void
-cciss_proc_tape_report(int ctlr, unsigned char *buffer, off_t *pos, off_t *len)
+cciss_seq_tape_report(struct seq_file *seq, int ctlr)
{
unsigned long flags;
- int size;
-
- *pos = *pos -1; *len = *len - 1; // cut off the last trailing newline
CPQ_TAPE_LOCK(ctlr, flags);
- size = sprintf(buffer + *len,
+ seq_printf(seq,
"Sequential access devices: %d\n\n",
ccissscsi[ctlr].ndevices);
CPQ_TAPE_UNLOCK(ctlr, flags);
- *pos += size; *len += size;
}
+
/* Need at least one of these error handlers to keep ../scsi/hosts.c from
* complaining. Doing a host- or bus-reset can't do anything good here.
* Despite what it might say in scsi_error.c, there may well be commands
rc = sendcmd(CCISS_RESET_MSG, ctlr, NULL, 0, 2, 0, 0,
(unsigned char *) &cmd_in_trouble->Header.LUN.LunAddrBytes[0],
TYPE_MSG);
- /* sendcmd turned off interrputs on the board, turn 'em back on. */
+ /* sendcmd turned off interrupts on the board, turn 'em back on. */
(*c)->access.set_intr_mask(*c, CCISS_INTR_ON);
if (rc == 0)
return SUCCESS;
0, 2, 0, 0,
(unsigned char *) &cmd_to_abort->Header.LUN.LunAddrBytes[0],
TYPE_MSG);
- /* sendcmd turned off interrputs on the board, turn 'em back on. */
+ /* sendcmd turned off interrupts on the board, turn 'em back on. */
(*c)->access.set_intr_mask(*c, CCISS_INTR_ON);
if (rc == 0)
return SUCCESS;
#define cciss_scsi_setup(cntl_num)
#define cciss_unregister_scsi(ctlr)
#define cciss_register_scsi(ctlr)
-#define cciss_proc_tape_report(ctlr, buffer, pos, len)
#endif /* CONFIG_CISS_SCSI_TAPE */
projects / linux-2.6-block.git / blobdiff